this spring return pneumatic actuator features an 11 square inch effective diaphragm area and a versatile 2-1/8 to 2-1/2 inch stroke length

it ensures precise mechanical compatibility with a wide range of Lennox

9-inch pitch length

Technicians should note the inclusion of an integrated thermal limit switch

By utilizing this 921951 tube and fin coil

Siemens Combustion LME71.000A1 Burner Control 319848-301 this spring return pneumatic actuatorThe Siemens LME71. 000A1 Burner Control is a microprocessor based combustion management system engineered specifically for the intermittent operation of single stage or multistage gas or oil burners. Operating at AC 120V, this basic unit serves as the logic core for industrial combustion setups, requiring a PME71 program module to define specific functional sequences. This modularity allows technicians to customize flame supervision and